Extraordinary Mad Filth, the Floor Leaders Began to Grow Restless

On the rooftop of Mad King Building, Xu Lang activated Nightmare Eye and soon noticed something unusual on a patch of flooring in front of the building.

[Nightmare Eye · Mad Filth: Evil residual filth seeping from Mad King Building, mixed with the Players' mad thoughts and mad essence. Contact will result in mental contamination...]

Suddenly, the information displayed by Nightmare Eye vanished. Xu Lang froze for a moment.

It was his first time encountering such a situation. He could not help staring intensely at that patch of flooring again, but found nothing unusual.

His heart sank as he continued searching. Before long, he found another anomaly: a flowerbed.

[Nightmare Eye · Mad Filth: Evil residual filth seeping from Mad King Building. It exists within the deep layer, possesses amorphous characteristics, periodically undergoes phase shifts, and may appear anywhere within Mad King Building's range of influence. Only specific professions such as Cleaners can observe it. Please clean it up promptly upon discovery...]

[Nightmare Eye · Mad Filth: An amorphous source of mental contamination...]

[Nightmare Eye · Mad Filth: Mad Filth may overlap with one another, forming higher-level mental contamination...]

After spending more than ten minutes, Xu Lang figured out every characteristic of the Mad Filth.

This stuff was Mad King Building's excrement. It was filthy, and it existed throughout every area of Mad King Building. If it was not cleaned up in time, more Players would fall victim to it.

This was only the early stage. The longer it dragged on, the more Players would become mentally contaminated for "no apparent reason." Mad Filth might even mutate into something far more terrifying.

"We can't delay any longer. We have to get the Players appointed to the three mad professions as soon as